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laser_module_308020w [2020/08/31 10:48] dav |
laser_module_308020w [2020/08/31 10:49] dav [Control] |
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===== Control ===== | ===== Control ===== | ||
note: | note: | ||
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1. The third yellow interface line is the TTL control line, the voltage range is 3.3-12V, the frequency is 0-20KHz, and it needs to be grounded | 1. The third yellow interface line is the TTL control line, the voltage range is 3.3-12V, the frequency is 0-20KHz, and it needs to be grounded | ||
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2. The input voltage of the red and black wires is 12V, do not connect them in reverse, otherwise the module will be damaged. | 2. The input voltage of the red and black wires is 12V, do not connect them in reverse, otherwise the module will be damaged. | ||
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3. The power is not controlled by voltage or frequency, it is controlled by duty cycle. | 3. The power is not controlled by voltage or frequency, it is controlled by duty cycle. | ||